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首页> 外文期刊>American Journal of Mechanical Engineering >The Printed Patterns Investigation for the Purposes of Deformation Analysis Performed by Digital Image Correlation System
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The Printed Patterns Investigation for the Purposes of Deformation Analysis Performed by Digital Image Correlation System

机译:数字图像关联系统进行变形分析的印刷图案调查

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摘要

In this contribution an analysis of printed random patterns used for the evaluation of displacement fields and strain fields by the use of low-speed digital image correlation system is described. For the analysis three patterns with speckles of different shapes and sizes and variously distributed grey values as well were choices. As a quality assessment criteria of the reached results a percentage of non-correlated regions, mean or maximal value of the approximated error radius of the investigated object contour points coordinates were chosen. All these parameters were examined by the evaluation performed by the using of different calibration files and subsequently by the different values of facet size.
机译:在该贡献中,描述了通过使用低速数字图像相关系统来分析用于评估位移场和应变场的印刷随机图案的分析。为了分析,选择了具有不同形状和大小的斑点以及不同分布的灰度值的三种模式。作为达到的结果的质量评估标准,选择了不相关区域的百分比,被调查对象轮廓点坐标的近似误差半径的平均值或最大值。通过使用不同的校准文件并随后通过刻面大小的不同值进行的评估来检查所有这些参数。

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